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Hercules Version 3: System Messages: IF - hercifc</TITLE>
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<h1>Hercules Version 3: System Messages: IF - hercifc</h1>
<p>
This page describes the messages for the Hercules S/370,
ESA/390, and z/Architecture emulator utility program <code>hercifc</code>.
<h3>Messages</h3>
<dl class="messages">
<dt><code><a name="HHCIF001E">
HHCIF001E <em>programname</em>: Must be called from within Hercules.
</a></code>
<dd><dl>
  <dt>Meaning
  <dd>This program can only be called from Hercules itself, and may not be
executed from the command line.
The program was executed using the name <code><em>programname</em></code>.
  <dt>Action
  <dd>Don't do that.
  <dt>Issued by
  <dd>hercifc.c, function main
  </dl>
<dt><code><a name="HHCIF002E">
HHCIF002E <em>programname</em>: Cannot obtain socket: <em>error</em>
</a></code>
<dd><dl>
  <dt>Meaning
  <dd>An attempt to obtain a socket for controlling the destination interface
failed. The error is described by <code><em>error</em></code>.
The program was executed using the name <code><em>programname</em></code>.
  <dt>Action
  <dd>Correct the error and retry the operation.
  <dt>Issued by
  <dd>hercifc.c, function main
  </dl>
<dt><code><a name="HHCIF003E">
HHCIF003E <em>programname</em>: I/O error on read: <em>error</em>
</a></code>
<dd><dl>
  <dt>Meaning
  <dd>An attempt to read a request from Hercules
failed. The error is described by <code><em>error</em></code>.
The program was executed using the name <code><em>programname</em></code>.
  <dt>Action
  <dd>Correct the error and retry the operation.
  <dt>Issued by
  <dd>hercifc.c, function main
  </dl>
<dt><code><a name="HHCIF004W">
HHCIF004W <em>programname</em>: Unknown request: <em>request</em>.
</a></code>
<dd><dl>
  <dt>Meaning
  <dd>The request from Hercules was invalid. The request code was
<code><em>request</em></code>. The request has been ignored.
The program was executed using the name <code><em>programname</em></code>.
  <dt>Action
  <dd>Make sure that the <code>hercifc</code> program is the same version
as the running copy of Hercules. If so, this is an internal error.
Report it.
  <dt>Issued by
  <dd>hercifc.c, function main
  </dl>
<dt><code><a name="HHCIF005E">
HHCIF005E <em>programname</em>: ioctl error doing <em>operation</em>
on <em>interface</em>: <em>error</em>
</a></code>
<dd><dl>
  <dt>Meaning
  <dd>An attempt to perform an ioctl operation,
<code><em>operation</em></code>, on interface <code><em>interface</em></code>
failed. The error is described by <code><em>error</em></code>.
The program was executed using the name <code><em>programname</em></code>.
  <dt>Action
  <dd>Correct the error and retry the operation.
  <dt>Issued by
  <dd>hercifc.c, function main
  </dl>
</dl>
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<p>
If you have a question about Hercules, see the
<a href="hercfaq.html">Hercules Frequently-Asked Questions</a> page.

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